543310091 has 2 divisors, whose sum is σ = 543310092. Its totient is φ = 543310090.

The previous prime is 543310039. The next prime is 543310121. The reversal of 543310091 is 190013345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543310091 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543310091.

It is not a weakly prime, because it can be changed into another prime (533310091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271655045 + 271655046.

It is an arithmetic number, because the mean of its divisors is an integer number (271655046).

Almost surely, 2^543310091 is an apocalyptic number.

543310091 is a deficient number, since it is larger than the sum of its proper divisors (1).

543310091 is an equidigital number, since it uses as much as digits as its factorization.

543310091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 543310091 is about 23309.0130850708. The cubic root of 543310091 is about 815.9857799609.

The spelling of 543310091 in words is "five hundred forty-three million, three hundred ten thousand, ninety-one".